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  2. Euphorbia tirucalli - Wikipedia

    en.wikipedia.org/wiki/Euphorbia_tirucalli

    Euphorbia tirucalli (commonly known as Indian tree spurge, naked lady, pencil tree, pencil cactus, fire stick, aveloz or milk bush [3]) is a tree native to Africa that grows in semi-arid tropical climates. A hydrocarbon plant, it produces a poisonous latex that can cause temporary blindness. [4]

  3. Hardiness (plants) - Wikipedia

    en.wikipedia.org/wiki/Hardiness_(plants)

    Hardiness of a plant may be divided into two categories: tender, and hardy. Tender plants are those killed by freezing temperatures, while hardy plants survive freezing—at least down to certain temperatures, depending on the plant. "Half-hardy" is a term used sometimes in horticulture to describe bedding plants which are sown in heat in ...

  4. Cold hardening - Wikipedia

    en.wikipedia.org/wiki/Cold_hardening

    Cold hardening is a process in which a plant undergoes physiological changes to avoid, or mitigate cellular injuries caused by sub-zero temperatures. [1] Non-acclimatized individuals can survive −5 °C, while an acclimatized individual in the same species can survive −30 °C.

  5. Is it getting warmer? What the USDA's new plant hardiness map ...

    www.aol.com/getting-warmer-usdas-plant-hardiness...

    How many zones are in the USDA cold hardiness map? A shaded pathway at Yew Dell Botanical Gardens leads to the Castle Terrace, a stone castle that was hand-built in the 1950's. June 14, 2022

  6. Fire-stick farming - Wikipedia

    en.wikipedia.org/wiki/Fire-stick_farming

    This suggests that fire in Australasia predominantly reflects climate, with colder periods characterised by less and warmer intervals by more biomass burning. [13] Regular firing favoured not only fire-tolerant or fire-resistant plants, but also encouraged those animals which were favoured by more open country. On this basis, it is clear that ...

  7. Pyrophyte - Wikipedia

    en.wikipedia.org/wiki/Pyrophyte

    Longleaf pine (Pinus palustris) is a pyrophile, depending on fire to clear the ground for seed germination. [4] The passage of fire, by increasing temperature and releasing smoke, is necessary to raise seeds dormancy of pyrophile plants such as Cistus and Byblis an Australian passive carnivorous plant. Imperata cylindrica is a plant of Papua ...

  8. Freezing tolerance - Wikipedia

    en.wikipedia.org/wiki/Freezing_tolerance

    The ability to control intercellular ice formation during freezing is critical to the survival of freeze-tolerant plants. [3] If intracellular ice forms, it could be lethal to the plant when adhesion between cellular membranes and walls occur. The process of freezing tolerance through cold acclimation is a two-stage mechanism: [4]

  9. Fire adaptations - Wikipedia

    en.wikipedia.org/wiki/Fire_adaptations

    Unlike animals, plants are not able to move physically during a fire. However, plants have their own ways to survive a fire event or recover after a fire. The strategies can be classified into three types: resist (above-ground parts survive fire), recover (evade mortality by sprouting), and recruit (seed germination after the fire).

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